Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (2024)

Before you begin, make sure your PC or Mac meets the system requirements.

Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (1)

If you are reinstalling Microsoft 365, you have already redeemed a product key, or you are installing Microsoft 365 at work or school and know you have a license, then go to the section sign in to downloadand install Office.

However, if this is the first time you're installing Microsoft 365, you may have some pre-installation steps to do first. Expand the Learn moresection below for more info.

If this is the first time you're installingMicrosoft 365,you may have to complete a set of pre-installation steps first or you may need to follow different steps than what's contained below. What you do depends if your copy of Microsoft 365is an Office for home or an Office for business product and whether or not you have a product key you have to redeem, an existing account associated with Microsoft 365, or a pre-assigned license.

Microsoft 365for home

If you have an Office for home product and it came with a product key*, before installing for the first time (or sharing it if you have Microsoft 365 Family), you need to redeem your product key first.

Go to office.com/setup and sign in with an existing or new Microsoft account and then enter your product key to redeem it*. Redeeming your key is what adds your Microsoft account to Microsoft 365and you only have to do this once. If you're renewing aMicrosoft 365 subscription with a new product key, use the same Microsoft account you previously associated with your expired version subscription.

Tip:Once this is done, anytime you need to install or reinstall Microsoft 365you can go straight to the next section, Sign in to download Office and select the tab for help to install on a PC or Mac. Be sure to sign in with the same Microsoft account you used to redeem your product key at office.com/setup.

Microsoft 365​​​​for business

If your Office for business subscription plan includes the desktop version of the Microsoft 365apps you won't see an option to install it unless someone in your organization assigned a license to you.

Learn how to check this in What Microsoft 365 business product or license do I have? or if you're aMicrosoft 365 admin responsible for assigning licenses to people in your organization, see Assign licenses to users.

Once you verify you have a license, anytime you need to install or reinstall Microsoft 365you can go straight to the section below, Sign in to download Office and select the tab for steps to install on a PC or Mac. You'll sign in with your work or school account for these versions of Microsoft 365.

*If you don't have a product key or an account

Some versions of Microsoft 365such as Office Professional Plus 2021, Office Standard 2021, or a stand-alone app such as Word 2021 or Project 2021don't have an associated Microsoft account, or work or school account.

The steps to install these versions can be different depending if you got Microsoft 365through one of the following ways:

Workplace Discount Program:
You bought Microsoft 365for personal use through your company benefit program and have a product key, see Install Office through the Workplace Discount Program.

Volume license versions:
IT departments might use a different method when installing Microsoft 365for people in their organization. Talk to your IT department for install help.

Third-party seller:
You bought Microsoft 365from a third-party and you're having problems with the product key.

Sign in to download and install Microsoft 365

Tip:Get tech expertise with Business Assist. Connect with our small business advisors for help making Microsoft 365 products work for you and everyone in your business.Learn more.

Install on a PCInstall on a MacNeed help?

Sign in to download Microsoft 365

  1. Go to www.office.com and if you're not already signed in, select Sign in.

    Note:If you're using Microsoft 365 operated by 21 Vianet, sign in with your work or school account tologin.partner.microsoftonline.cn.

    If you're using Microsoft 365Germany, sign in with your work or school account to portal.office.de.

  2. Sign in with the account you associated with this version of Microsoft 365. This account can be a Microsoft account, or work or school account. I forgot the account I use with Office

  3. After signing in, follow the steps that match the type of account you signed in with.

    You signed in with a Microsoft account
    Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (2)

    1. From the Microsoft 365 home page select Install Office.

      Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (3)
    2. Select Install (or depending on your version, Install Office>).

    You signed in with a work or school account
    Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (4)

    1. From the home page select Install Office (If you set a different start page, go to aka.ms/office-install.)

      Notes:

      Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (5)
    2. Select Office 365 apps to begin the installation.

    The 64-bit version is installed by default unless Microsoft 365detects you already have a 32-bit version of Microsoft 365(or a stand-alone Microsoft 365app such as Project or Visio) installed. In this case, the 32-bit version of Microsoft 365will be installed instead.

    To change from a 32-bit version to a 64-bit version or vice versa, you need to uninstallMicrosoft 365first (including any stand-alone Microsoft 365apps you have such as Project of Visio). Once the uninstall is complete, sign in again to www.office.com and select Other install options, choose the language and version you want (64 or 32-bit), and then select Install. (See Install Visio or Install Project if you need to reinstall those stand-alone apps.)

    Notes:

  4. This completes the download of Microsoft 365to your device. To complete the installation, follow the prompts in the "Install Microsoft 365" section below.

    Tip: Don't see an install option after signing in? There could be an issue with your account. Select Need help? from above and review the solutions under Account questions.

Install Office

  1. Depending on your browser, select Run (in Microsoft Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

    If you see the User Account Control prompt that says, Do you want to allow this app to make changes to your device? select Yes.

    The install begins.

    Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (6)

  2. Your install is finished when you see the phrase, "You're all set! Office is installed now" and an animation plays to show you where to find Microsoft 365 applications on your computer. Select Close.

    Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (7)

Installation or sign in issues?

Tip:You can download and install the Microsoft Support and Recovery Assistant to help with Microsoft 365 installation issues on a PC. For more information, seeAbout the Microsoft Support and Recovery Assistant.

If you're having an installation issue such as Microsoft 365 taking long to install, try Need help? for a list of common issues.

Activate Microsoft 365

  1. To open an Microsoft 365app, select the Start button (lower-left corner of your screen) and type the name of an Microsoft 365app, like Word.

    If you have Windows 8.1 or 8.0, type the name of an Microsoft 365app on the Start screen. Can't find your Office apps?

  2. To open the Microsoft 365 app, select its icon in the search results.

  3. When the Microsoft 365 app opens, accept the license agreement. Microsoft 365 is activated and ready to use.

    Note:The Activation Wizard appears if Microsoft 365 has trouble activating. Complete the steps in the wizard to finish activating Microsoft 365.

Sign in and install Microsoft 365

  1. Go to www.office.com and if you're not already signed in, select Sign in.

    Note:If you're using Microsoft 365 operated by 21 Vianet, sign in with your work or school account tologin.partner.microsoftonline.cn.

    If you're using Microsoft 365 Germany, sign in with your work or school account to portal.office.de.

  2. Sign in with the account you associated with this version of Microsoft 365. This account can be a Microsoft account, or work or school account. I forgot the account I use with Office

  3. After signing in, follow the steps that match the type of account you signed in with.

    You signed in with a Microsoft account
    Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (8)

    • From the Microsoft 365 home page select Install Office to start the download.

      Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (9)

    You signed in with a work or school account
    Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (10)

    1. From the Microsoft 365 home page select Install Office (if you set a different start page, go to aka.ms/office-install).

      Notes:

      Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (11)
    2. Select Office 365 apps to begin the download.

    Note: Don't see an install option after signing in? There could be an issue with your account. Select Need help? from above and review the issues listed in the section Account questions.

  4. Follow the instructions below to complete installing your Microsoft 365 apps.

Install Microsoft 365

  1. Once the download has completed, open Finder, go to Downloads, and double-click Microsoft Office installer.pkg file (the name might vary slightly).

    Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (12)

    Tip:If you see an error that says the Microsoft Office installer.pkg can't be opened because it is from an unidentified developer, wait 10 seconds and move the downloaded file to your desktop. Hold Control + click the file to launch the installer.

  2. On the first installation screen, select Continue to begin the installation process.

    Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (13)
  3. Review the software license agreement, and then click Continue.

  4. Select Agree to agree to the terms of the software license agreement.

  5. Choose how you want to install Microsoft 365 and click Continue.

  6. Review the disk space requirements or change your install location, and then click Install.

    Note:If you want to only install specific Microsoft 365 apps and not the entire suite, click the Customize button and uncheck the programs you don't want.

  7. Enter your Mac login password, if prompted, and then click Install Software. (This is the password that you use to log in to your Mac.)

    Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (14)
  8. The software begins to install. Click Close when the installation is finished. If Microsoft 365 installation fails, see What to try if you can't install or activate Office for Mac.

    Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (15)

Launch an Microsoft 365 for Mac app and start the activation process

  1. Click the Launchpad icon in the Dock to display all of your apps.

    Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (16)
  2. Click the Microsoft Word icon in the Launchpad.

    Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (17)
  3. The What's New window opens automatically when you launch Word. Click Get Started to start activating. If you need help activating Microsoft 365, see Activate Office for Mac. If Microsoft 365 activation fails, see What to try if you can't install or activate Office for Mac.

    Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (18)

Installation notes

Installation notes

How do I pin the Microsoft 365 app icons to the dock?

  1. Go to Finder > Applications and open the Office app you want.

  2. In the Dock, Control+click or right-click the app icon and choose Options > Keep in Dock.

Can I install Microsoft 365 on my iPhone or iPad?

Yes, see Install and set up Office on an iPhone or iPad and set up email on an iOS device (iPhone or iPad).

Sign in or installation FAQ

The following are a few of the more common questions or issues when trying to install Microsoft 365.

Tip:Don't see your issue listed? Try Troubleshoot installing Office for additional issues and their possible solutions.

Account questions:

Before you can install Microsoft 365 orOffice 2021you need to associate it with a Microsoft account, or work or school account.

If you have an Office for home product and bought Microsoft 365 at a retail store or online store, but don't have a Microsoft account, it's possible you haven't redeemed your product key yet (if you got one), or you missed the step for linking your recent purchase with an account. Do the following to link an account with Microsoft 365.

For an Office for home product, go to office.com/setup and create a new Microsoft account or sign in with an existing one, then follow the remaining steps on that page such as entering your product key (if you have one). Your account is successfully associated with Microsoft 365 when you see the page, My Office Account followed by your Microsoft account email address, and a button to install Microsoft 365. Select the PC or Mac tabs above to help you with the rest of the install process.

Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (19)

If the Microsoft account or work or school account isn't working, see I forgot the username or password for the account I use with Office.

After signing in with your work or school account you don't see an option to install the desktop applications on the Microsoft 365 home page, go directly to the Microsoft 365 Software page instead. Select the language and bit-version you want (PC users can choose between 32-bit and 64-bit), and then click Install. See Step 2 and 3 on the PC or Mac tabs above to help you with the rest of the install process.

Notes:

If you still don't see an option to install Microsoft 365 on the Microsoft 365 Software page, it's possible your admin hasn't assigned a license to you. Find out if you have a license to install Office.

If you're a student or teacher and your institution didn't give you a license, find out if you're eligible to Get Microsoft 365 for free.

If you're trying to sign in with your work or school account to www.office.com and your sign in is blocked, it likely means your Microsoft 365 administrator set up a security policy that's preventing you from signing in to that location.

To install Microsoft 365, try signing in directly to the Microsoft 365 Software page instead. Select the language and bit-version you want (PC users can choose between 32-bit and 64-bit), and then click Install. See Steps 2 and 3 on the PC or Mac tabs above to help you with the rest of the install process.

Notes:

If you're still not able to sign in, contact your administrator.

Product key, purchase, and installing older versions of Microsoft 365:

Not all versions of Microsoft 365 include a key, but if yours did, you need to redeem it before you can install Microsoft 365. Go to office.com/setup and sign in with an existing Microsoft account or create a new one, then enter your product key. Follow the remaining prompts to finish linking your Microsoft account with this version of Microsoft 365.

No product key or not sure if you need one? See Using product keys with Office.

The steps in this topic assume you have Microsoft 365 orOffice 2021 and you're ready to install or reinstall it. Don't have the latest version yet?

Buy or try Microsoft 365

Learn more about the differences between Microsoft 365 and non-subscription versions.

Installation help for older versions of Microsoft 365:

Install questions or errors during install

For Microsoft 365 subscriptions only: You can install Microsoft 365 on all your devices and be signed in to five at the same time. To learn more, see How sign in works in Microsoft 365.

If you have Microsoft 365 Family, you can alsoshare your Microsoft 365 Family subscription with up to five family members or other people. Each person can install Microsoft 365 on all their devices and be signed in to five at the same time.

For a one-time purchase of Microsoft 365 such as Office Home & Student, Office Home & Business, or Office Professional: You can install these non-subscription versions of Microsoft 365 on only one computer. However, you may transfer Microsoft 365 to another computer that belongs to you if you experience a hardware failure, or you buy a new computer. For more information, see the Microsoft License Terms.

When installing Microsoft 365 on a PC, you must be an administrator on the PC computer where you want to install Microsoft 365. If you're not sure, see Check if you have local admin rights to install Office.

If you bought a stand-alone version of an Microsoft 365 app, for example Visio or Word, in most cases you install this app in the same way you install the Microsoft 365 suite, by signing in to www.office.com with your Microsoft account, or work or school account and selecting Install for your stand-alone product.

If you have a subscription to Project Online Professional, Project Online Premium, or Visio Pro for Microsoft 365, see Install Project, or Install Visio for the steps to install the apps that are part of those subscriptions.

The Microsoft 365 apps are available to install on your iPhone and iPad, Android device, or Windows phone and tablet. See Set up Office apps and email on a mobile device.

If Microsoft 365 seems to be taking a very long time to install, this may be caused by problems with your internet connection, firewall, or anti-virus software. For possible solutions, see Office is taking long to install.

Microsoft 365 can also take long to install because of a slow internet connection (such as a dial-up connection). If you don't have a good connection, install Microsoft 365 using the Use the Office offline installer.

Microsoft 365 won't install: Your computer must be running a supported operating system to install Microsoft 365. You can find a list of which systems are supported on the system requirements page. For example, your install won't be successful if you're trying to install Microsoft 365 on a computer running Windows Vista or WindowsXP operating system. If your computer can't install the full desktop version of Microsoft 365, try the free Office Online apps using your desktop browser.

I received an error message: If you got an error message while trying to install Microsoft 365 and it has a Learn More link, select it to get information for how to troubleshoot that particular error. If there wasn't a link, see Troubleshoot installing Office.

I received an unsupported operating system message: If you got an unsupported operating system error message you may be trying to install Microsoft 365 on an unsupported device such as installing the Mac version of Microsoft 365 on a PC or vice versa, or trying to install Microsoft 365 on a Chromebook or other mobile device. See Unsupported operating system error when installing Office or Set up Office apps and email on a mobile device.

Help with specific applications, and help for Microsoft 365 admins:

For information about how to download the desktop version of OneNote 2016 see OneNote is missing after installing Office 2019 or Microsoft 365.

If Microsoft 365 is installed, but you need help with Microsoft 365 basics, or learn how to do a specific task such as print a document, set up an account in Outlook, or use VLOOKUP in Excel, go to the top of this page and select Apps or Learn Office.

You can also type what you're looking for using the search bar in the upper-right corner.

If you're the Microsoft 365 admin of an Office for business plan, users in your organization can only install Microsoft 365 using the steps in this topic as long as your plan includes the desktop version of Microsoft 365, and you've assigned the user a license and given them permission to install Microsoft 365 (Manage software download settings in Microsoft 365).

For information about how to assign licenses, see Assign licenses to users in Microsoft 365 for business.

If you've run out of licenses and need to purchase more, see Buy licenses for your Microsoft 365 for business subscription.

Contact Microsoft

If you weren't able to resolve your problem, try contacting Microsoft support.

Tip:If you're a small business owner looking for more information on how to get Microsoft 365 set up, visit Small business help & learning.

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Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac (2024)

FAQs

How do I reinstall Office 2021 on my Mac? ›

Microsoft Office 2021 for Mac – how to download and install it?
  1. Go to Microsoft's website: setup.office.com.
  2. Create a new Microsoft account or sign in to your existing one.
  3. Enter the product key provided by us.
  4. Download and install your product.

Can you get Office 2021 on a PC or Mac? ›

You can purchase Microsoft 365 subscriptions for both Mac and Windows. Office Home & Business 2021 or Office Home & Student 2021 are also available for Mac as a one-time purchase. Office applications available for a Mac are Word, Excel, PowerPoint, Outlook, and OneNote.

How do I download and install Office 365 apps on my Mac or PC? ›

Go to https://portal.office.com and if you're not already signed in, select Sign in.
  1. Sign in with the account you associated with this version of Office.
  2. After signing in, follow the steps: From the Office 365 home page select Install Office apps. ...
  3. This completes the download of Office to your device.

Can I reinstall Office 2021? ›

Once you verify you have a license, anytime you need to install or reinstall Microsoft 365 you can go straight to the section below, Sign in to download Office and select the tab for steps to install on a PC or Mac. You'll sign in with your work or school account for these versions of Microsoft 365.

How do I repair Office 2021 installation? ›

Repair Office
  1. Right-click the Start button. ...
  2. Select the Microsoft Office product you want to repair, and select Modify. ...
  3. Depending if your copy of Office is Click-to-run or MSI-based install, you'll see the following options to proceed with the repair. ...
  4. Follow the instructions on the screen to complete the repair.

How do I reinstall Office on my computer? ›

How to Install Microsoft Office
  1. Visit setup.office.com and sign in with your Microsoft account or create a new account.
  2. Enter your product key (or activation code). ...
  3. Select Install Office. ...
  4. If the User Account Control asks whether you want to allow the app to make changes to your device, select Yes.
Oct 17, 2022

Is Microsoft Office the same on Mac and PC? ›

Will Microsoft 365 be identical on a PC and a Mac? No. Apps are tailored to work best on each operating system. The apps available for Mac users and the specific features included may be different from those available for PC users.

How much does MS Office 2021 cost for Mac? ›

The latest version of Office for Mac is available via a Microsoft 365 subscription which costs from $69.99/£59.99 per year or $6.99/£5.99 per month).

Is Microsoft Office different for Mac and PC? ›

One of the main differences between using Office for Mac versus a Windows computer is that the File menu is located on the application toolbar at the top of the screen. Depending on which application you are using, the File menu options change accordingly.

Do I need to uninstall old Microsoft Office before installing 365? ›

We recommend that you uninstall any previous versions of Office before installing Microsoft 365 Apps. To help you uninstall versions of Office that use Windows Installer (MSI) as the installation technology, you can use the Office Deployment Tool and specify the RemoveMSI element in your configuration.

What happens if I uninstall Microsoft Office 365? ›

Tip: Uninstalling Microsoft 365 only removes the Microsoft 365 applications from your computer, it doesn't remove any files, documents, or workbooks you created using the apps.

Do I need to uninstall old Office before installing Office 365 Mac? ›

Before you Install Office 365

You need to uninstall any previous versions of Microsoft Office including 2007, 2010, 2013, and/or 2016. If you do not uninstall previous versions of Microsoft Office and you install Office 365 your computer will not run any program of Office 365 properly.

Do I need to uninstall Office before installing Office 2021? ›

Before you can install Office, you'll need to remove Microsoft 365.

Will I lose Microsoft Office if I reinstall Windows? ›

Yes you will lose Office, and all of your other applications and personal data files. So, before you re-install Windows, do a full image copy backup of your current situation. That way you will be able to recover any missing files.

How many times can I install Office 2021? ›

Depending on your Office 365 plan, you can access Office apps that you can install on up to five devices, including your computers and mobile devices.

How do I know if Office 2021 is installed? ›

Follow the steps below for Windows 10 or later. Right-click the Start button and select Apps and Features. Scroll through the list until you see one or more entries for Microsoft Office. You'll see your edition, such as Office 365, as well as your version (or build) number.

Why can't i install Office 2021? ›

If you encountered a problem while installing Office on a PC, try restarting your computer and then attempting to install Office again. If that didn't help, use this easy fix tool to uninstall Office completely. After your uninstall is complete, try reinstalling Office.

Will I lose files if I uninstall Microsoft Office? ›

Tip: Uninstalling Office only removes the Office applications from your computer, it doesn't remove any files, documents, or workbooks you created using the apps.

Can I reinstall Office without product key? ›

Do I need a product key to reinstall Office? No, you don't. Just go to the Microsoft account, Services & subscriptions page and sign in using the Microsoft account that you used to buy Office. We can help if you forgot your Microsoft account or password.

How do I redownload Microsoft Office with product key? ›

Microsoft 365, Office 2021, Office 2019, Office 2016, and Office 2013 (PC and Mac)
  1. To redeem a new purchase.
  2. Step 1: Go to www.office.com/setup or Microsoft365.com/setup.
  3. Step 2: Sign in with your Microsoft account, or create one if you don't have one. ...
  4. Step 3: Enter your product key, without hyphens, if prompted.

How long does it take to reinstall Microsoft Office? ›

NOTE: Installing MS Office can take 30 mins to an hour. Do not start the install process unless you are going to be on a stable internet connection for the duration of the installation.

Is Office 365 for Mac and PC? ›

Office 365 Works for PC and Mac Seamlessly

Office 365 can offer your mixed office these benefits: Share documents easily using the same subscription software for both PC and Mac.

Can I move Microsoft Office from PC to Mac? ›

Can I transfer Microsoft Office from a PC to a Mac? Yes, you can use the entire Microsoft Office suite on a Mac, and if you have a Microsoft 365 business account, you should be able to transfer your information seamlessly.

Can I use my Office 365 subscription on a Mac? ›

Get Microsoft 365 apps for Mac

Start quickly with the most recent versions of Word, Excel, PowerPoint, Outlook, OneNote, and OneDrive—combining the familiarity of Microsoft 365 and the unique Mac features you love.

How much is Microsoft Office 2021 lifetime? ›

Microsoft Office Professional 2021 lifetime license: $40

Microsoft Office is used by businesses, schools and individuals around the globe and is often considered the default when it comes to productivity apps. Microsoft Word, for instance, is the industry standard when it comes to word processing.

Can you buy Microsoft Office for lifetime? ›

With a lifetime license, you'll keep the 2021 version of Microsoft Office rather than getting the latest software updates as they're released like you would with Microsoft 365. For most users, the savings will be well worth it.

Do Macs come with word? ›

Microsoft 365 or Office suite

You can use Word, Excel, and Powerpoint on your iMac, MacBook, or MacBook Mini. You just have to buy this software separately, because it's not included with a Mac by default. We have a lot of Microsoft 365 and Office suites that are specially created for your Mac.

What is the Apple version of Microsoft Office? ›

iWork is an office suite of applications created by Apple Inc. for its macOS, iPadOS and iOS operating systems, and also available cross-platform through the iCloud website.

Do I need to buy Office to use Word on Mac? ›

Do you have to pay for Word on Mac? Yes, you need a Microsoft 365 subscription or one-time purchase of Office 2021 to use Microsoft Word on your Mac. Microsoft 365 subscription costs $69.99/year for a home/personal use version, and up. Microsoft 365 Business Basic is currently $5/month per user.

Is Mac or Windows better for Office? ›

While both Macs and PCs can be used for most essential business functions, Macs tend to be more popular for artistic endeavors. Graphic designers, video editors, audio engineers, app developers, web developers, and other creative professionals often prefer the intuitive design and high-quality applications and tools.

Will I lose my emails if I uninstall Office 365? ›

Regarding your concern if your files and emails will be deleted after uninstalling Office, it will not delete your files. But your email will depend if your emails are available online. If that is already deleted from the website or email domain, you can't have that back again.

What do I lose if I don't renew Microsoft 365? ›

Admins and users no longer have access to the services or Microsoft 365 apps that came with the subscription. All customer data—from user data to documents and email—is permanently deleted and is unrecoverable. At this point, you can't reactivate the subscription.

How many times can I install Office 365? ›

With Microsoft 365, you can install Office on all your devices and sign in to Office on five devices at the same time. This includes any combination of PCs, Macs, tablets, and phones.

Can I uninstall Microsoft 365 and reinstall it? ›

If you have problems with Microsoft 365 or Office 365, you can uninstall it and reinstall it on your Windows 10/11 computer. You can press Windows + S, type add or remove programs, and choose Add or remove programs system settings.

Can I transfer Office 365 to another computer? ›

You simply need to deactivate your Office 365 subscription from your first computer, install it on your new system, and activate the subscription there. Here is a stepwise solution on how to transfer Microsoft Office to another computer via Office 365 subscription.

Why has Microsoft Office uninstalled? ›

One of the possible reason for this cause is due to corrupted Office installation files, in this kind of situation we suggest you completely uninstall Office application by using uninstall support tool (Option 2) and deactivate your device from the Office 365 portal (login to your Office 365 portal> Click on the ...

What is the difference between Office 365 and previous version? ›

How is Office 365 different from previous versions of Office? Office 365 is a subscription-based service, meaning rather than buying a copy of the suite outright for a one-time, up-front cost, users instead pay a monthly subscription fee to access the service at a level of their choosing.

Can two versions of Microsoft Office be installed? ›

If you have a Microsoft 365 subscription or non-subscription version such as Office Home and Business 2021, 2019, 2016 or 2013, in most cases you can't run these versions together on the same computer.

Can you use Microsoft Office without buying it? ›

Microsoft 365 for the web is a free version of Microsoft 365 that you can use in a web browser. All you need is to sign up for a Microsoft account with a new or existing email address. Use Word, Excel, PowerPoint and more for free on the web.

Is Office 365 same as Office 2021? ›

Microsoft 365 plans include Office 2021 as a part of a greater offering. It also includes Windows 10 Enterprise, Enterprise Mobility + Security (EMS), and machine learning. There are multiple plans to choose from depending on your needs. The services included in Microsoft 365 are also available as separate licenses.

Can I move Microsoft Office 2021 to my new computer? ›

Hi, you can transfer your Office Home and Student 2021 on your new other computer by signing into your Office Account at: https://account.microsoft.com/services You need to sign in with the same Microsoft Account that you used to purchase your Officer from Microsoft Or used with a Product Key purchased from a third ...

Will Office 2021 work on my computer? ›

Office 2021 can be installed on one Windows 10 or Windows 11 PC or one of the three most recent macOS versions.

Will I lose Microsoft Office if I wipe my Mac? ›

Just for future reference, if you do an erase of your drive and reinstall Mac OS, you will delete ALL your files, ALL your applications, absolutely EVERYTHING.

How many times can I reinstall Office? ›

You can install Microsoft Office for free on up to 15 devices in total (five installations on Windows and MAC devices, five installations on smart phones and five on tablet devices). Please note, you are only able to install the applications on devices that you personally own.

Is it better to download and reinstall Windows? ›

Last but not least, a local reinstall is typically faster and more reliable than a cloud download. This is because the files are downloaded from your hard drive rather than from the internet. This means that there is no need to worry about internet connection speeds or bandwidth limitations.

Would Office 2021 be the last version of Microsoft Office? ›

Support for retail versions of Office 2021 will end on October 13, 2026; unlike older versions of Office, there is no extended support period.

Is Office 2021 a lifetime subscription? ›

Office 2021 is a one-time purchase that comes with classic apps like Word, Excel, and PowerPoint for PC or Mac, and does not include any of the services that come with a Microsoft 365 subscription.

How do I reinstall Office on my Macbook? ›

Click on Finder and go to Downloads. Click the Microsoft Office installer. pkg file.
...
Part 3. How to Install or Reinstall Microsoft Office on Mac?
  1. Go to the official site of Microsoft office.
  2. Sign in with your existing account or make a new one.
  3. Click on the Install office.

How do I get Microsoft Office back on my Mac? ›

Restore previous purchase for Office for Mac
  1. Sign out of the Office app through which you made the In-App purchase. To find out which Office app you used to make the purchase, see below.
  2. Close and re-open the app.
  3. Click Restore previous purchase at the bottom of the Get started with Microsoft 365 window.

How do I reset Microsoft Word on my Mac 2021? ›

Follow these steps to reset them:
  1. Quit all programs.
  2. On the Go menu, click Home > Library. ...
  3. Open the Preferences folder and drag com. ...
  4. Now, open the Microsoft folder (in Preferences), and drag com. ...
  5. Start Word. ...
  6. Quit all programs.
  7. On the Go menu, click Home > Library.

How do I install Office 2021 with product key? ›

Microsoft 365, Office 2021, Office 2019, Office 2016, and Office 2013 (PC and Mac)
  1. To redeem a new purchase.
  2. Step 1: Go to www.office.com/setup or Microsoft365.com/setup.
  3. Step 2: Sign in with your Microsoft account, or create one if you don't have one. ...
  4. Step 3: Enter your product key, without hyphens, if prompted.

Will I lose Microsoft Office if I reset my Mac? ›

Just for future reference, if you do an erase of your drive and reinstall Mac OS, you will delete ALL your files, ALL your applications, absolutely EVERYTHING.

How do I uninstall and reinstall Office 365? ›

To reinstall Microsoft 365 select the version you want to reinstall and follow those steps.
...
Option 1 - Uninstall Microsoft 365 from the Control Panel
  1. Click Start > Control Panel.
  2. Click Programs > Programs and Features.
  3. Right-click the Microsoft 365 application you want to remove, and then click Uninstall.

How to download and install Microsoft Office for free in macbook? ›

With this in mind, here's how to use Microsoft Office For Mac For Free in 2022.
  1. Download Microsoft Office For Mac Education Edition. ...
  2. Sign-up For The Microsoft Office For Mac Free Trial. ...
  3. Use Office.com Online. ...
  4. Use a Microsoft Home Plan Invite. ...
  5. Use Microsoft Office On iOS For Free.
May 2, 2023

Why has my Microsoft Office stopped working on my Mac? ›

Usually this is the result of not having installed Mac OS and/or Office updates. To install Mac OS updates, on the Menu Bar click the Apple (first button on the left end of the menu bar). From the Menu choose System Preferences or System Settings. Then find Software Update and let it update Mac OS.

How do I restore Office 365? ›

How can I restore an Office 365 user?
  1. Step 1 - Go to Office 365 in the control panel. Login to the One.com control panel and click Office 365 at the top of the screen.
  2. Step 2 - Go to Show deleted users. Click Show deleted users, in the bottom left corner on your screen.
  3. Step 3 - Click Restore user. ...
  4. Step 4 - Confirm.

How do I reset my Office 365 account on my Mac? ›

On the Outlook toolbar, go to Tools > Accounts. In the left pane, select the account you want to reset. On the bottom left, click the three dots and select Reset Account from the list.

What does Microsoft Office reset do? ›

Click the Reset button under the Reset section to reset Microsoft Office. It will reinstall Microsoft Office and revert to default settings.

What does restarting office mean? ›

To restart, simply exit the Microsoft 365 applications, such as Word or Outlook, and start them again.

Does Microsoft Office 2021 have a product key? ›

You'll receive a product key if you buy a one-time purchase Office or individual Office apps, but you won't need or receive a product key for Microsoft 365. To renew your Microsoft 365 subscription, you can buy an Microsoft 365 product key card from a retailer and redeem the key at https://microsoft365.com/setup.

How to activate Office 365 2021 without product key? ›

Activation of Microsoft Office 2016, 2019 and 2021
  1. Log into your computer with an administrator account.
  2. Type into the search field. cmd.exe.
  3. Click with the right mouse button on cmd.exe and select “Run as Administrator”
  4. Change to the directory where Microsoft Office is installed. ...
  5. Enter. ...
  6. Finally enter.

Is Office 2021 the same as Office 365? ›

The biggest difference between Microsoft Office 365 vs 2021 is that Office 365 is a subscription service, while Office 2021 is a one-time purchase. This means that with Office 365, you always have the latest version of the software and access to online storage and collaboration features.

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